From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Geert.Uytterhoeven@sonycom.com, linuxppc-dev@ozlabs.org,
linux-kernel@vger.kernel.org
Subject: Re: [patch 4/7] ps3: Storage Driver Probing
Date: Sat, 26 May 2007 08:47:09 +1000 [thread overview]
Message-ID: <1180133229.19517.13.camel@localhost.localdomain> (raw)
In-Reply-To: <200705251818.03964.arnd@arndb.de>
On Fri, 2007-05-25 at 18:18 +0200, Arnd Bergmann wrote:
> > +static u64 ps3stor_wait_for_completion(u64 devid, u64 tag,
> > + unsigned int timeout)
> > +{
> > + unsigned int retries = 0;
> > + u64 res = -1, status;
> > +
> > + for (retries = 0; retries < timeout; retries++) {
> > + res =
> lv1_storage_check_async_status(NOTIFICATION_DEVID, tag,
> > + &status);
> > + if (!res)
> > + break;
> > + set_current_state(TASK_INTERRUPTIBLE);
> > + schedule_timeout(1);
> > + }
>
> Any reason not to use msleep(1) instead of the schedule_timeout?
Both look equally ugly though... do you really have to poll ?
Ben.
WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Arnd Bergmann <arnd@arndb.de>
Cc: linuxppc-dev@ozlabs.org, Geert.Uytterhoeven@sonycom.com,
linux-kernel@vger.kernel.org
Subject: Re: [patch 4/7] ps3: Storage Driver Probing
Date: Sat, 26 May 2007 08:47:09 +1000 [thread overview]
Message-ID: <1180133229.19517.13.camel@localhost.localdomain> (raw)
In-Reply-To: <200705251818.03964.arnd@arndb.de>
On Fri, 2007-05-25 at 18:18 +0200, Arnd Bergmann wrote:
> > +static u64 ps3stor_wait_for_completion(u64 devid, u64 tag,
> > + unsigned int timeout)
> > +{
> > + unsigned int retries = 0;
> > + u64 res = -1, status;
> > +
> > + for (retries = 0; retries < timeout; retries++) {
> > + res =
> lv1_storage_check_async_status(NOTIFICATION_DEVID, tag,
> > + &status);
> > + if (!res)
> > + break;
> > + set_current_state(TASK_INTERRUPTIBLE);
> > + schedule_timeout(1);
> > + }
>
> Any reason not to use msleep(1) instead of the schedule_timeout?
Both look equally ugly though... do you really have to poll ?
Ben.
next prev parent reply other threads:[~2007-05-25 22:47 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-25 8:36 [patch 0/7] RFC: PS3 Storage Drivers Geert.Uytterhoeven
2007-05-25 8:36 ` [patch 1/7] ps3: Preallocate bootmem memory for the PS3 FLASH ROM storage driver Geert.Uytterhoeven
2007-05-25 8:36 ` Geert.Uytterhoeven
2007-05-25 22:35 ` Benjamin Herrenschmidt
2007-05-26 8:51 ` Geert Uytterhoeven
2007-05-26 22:17 ` Benjamin Herrenschmidt
2007-05-27 18:24 ` Arnd Bergmann
2007-05-27 18:24 ` Arnd Bergmann
2007-05-25 8:36 ` [patch 2/7] ps3: Extract ps3_repository_find_bus() Geert.Uytterhoeven
2007-05-25 8:36 ` Geert.Uytterhoeven
2007-05-25 8:36 ` [patch 3/7] ps3: Storage Driver Core Geert.Uytterhoeven
2007-05-25 8:36 ` Geert.Uytterhoeven
2007-05-25 8:36 ` [patch 4/7] ps3: Storage Driver Probing Geert.Uytterhoeven
2007-05-25 8:36 ` Geert.Uytterhoeven
2007-05-25 16:18 ` Arnd Bergmann
2007-05-25 17:09 ` Geoff Levand
2007-05-25 17:09 ` Geoff Levand
2007-05-25 19:48 ` Geert Uytterhoeven
2007-05-25 22:54 ` Benjamin Herrenschmidt
2007-05-25 22:54 ` Benjamin Herrenschmidt
2007-05-25 22:47 ` Benjamin Herrenschmidt [this message]
2007-05-25 22:47 ` Benjamin Herrenschmidt
2007-05-26 8:56 ` Geert Uytterhoeven
2007-05-26 8:56 ` Geert Uytterhoeven
2007-05-25 8:36 ` [patch 5/7] ps3: Disk Storage Driver Geert.Uytterhoeven
2007-05-25 8:36 ` Geert.Uytterhoeven
2007-05-25 11:45 ` Olaf Hering
2007-05-25 19:43 ` Geert Uytterhoeven
2007-05-25 20:47 ` Olaf Hering
2007-05-25 16:26 ` Arnd Bergmann
2007-05-25 19:40 ` Geert Uytterhoeven
2007-05-25 20:43 ` Arnd Bergmann
2007-05-25 21:22 ` Geert Uytterhoeven
2007-05-25 22:45 ` Arnd Bergmann
2007-05-25 22:53 ` Benjamin Herrenschmidt
2007-05-25 22:53 ` Benjamin Herrenschmidt
2007-05-25 22:48 ` Benjamin Herrenschmidt
2007-05-25 22:48 ` Benjamin Herrenschmidt
2007-05-25 8:36 ` [patch 6/7] ps3: ROM " Geert.Uytterhoeven
2007-05-25 8:36 ` Geert.Uytterhoeven
2007-05-25 11:24 ` Olaf Hering
2007-05-25 22:45 ` Benjamin Herrenschmidt
2007-05-26 8:52 ` Geert Uytterhoeven
2007-05-26 8:52 ` Geert Uytterhoeven
2007-05-26 22:18 ` Benjamin Herrenschmidt
2007-05-26 22:18 ` Benjamin Herrenschmidt
2007-05-29 9:55 ` Christoph Hellwig
2007-05-25 16:50 ` Arnd Bergmann
2007-05-25 19:36 ` Geert Uytterhoeven
2007-05-25 21:04 ` Arnd Bergmann
2007-05-29 10:51 ` Christoph Hellwig
2007-05-29 10:51 ` Christoph Hellwig
2007-05-29 10:49 ` Christoph Hellwig
2007-05-29 11:11 ` Geert Uytterhoeven
2007-05-29 11:31 ` Benjamin Herrenschmidt
2007-05-29 11:31 ` Benjamin Herrenschmidt
2007-05-30 10:13 ` Christoph Hellwig
2007-05-30 10:13 ` Christoph Hellwig
2007-05-30 11:45 ` Benjamin Herrenschmidt
2007-05-30 11:45 ` Benjamin Herrenschmidt
2007-05-30 17:18 ` Geoff Levand
2007-05-30 17:18 ` Geoff Levand
2007-05-29 16:21 ` Geert Uytterhoeven
2007-05-30 10:01 ` Christoph Hellwig
2007-05-30 10:01 ` Christoph Hellwig
2007-05-25 8:36 ` [patch 7/7] ps3: FLASH " Geert.Uytterhoeven
2007-05-25 8:36 ` Geert.Uytterhoeven
2007-05-29 9:53 ` Christoph Hellwig
2007-05-29 9:57 ` Geert Uytterhoeven
2007-05-29 10:51 ` Christoph Hellwig
2007-05-29 10:51 ` Christoph Hellwig
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